to tell you about on our companion network, c-span 3. the response to hurricane sandy at 10:00 a.m. eastern. at 3:00 p.m. the coalition for fiscal and national security looks at how national security is affected by the deficit. speakers include mike mullen and the former chair of the armed services committee. later, the subject for strategic and international studies hosts of forum on the u.s. relationship with china. that is at 5:30 p.m. eastern. >> we are at the new york state museum. this is art gallery dedicated to the history of this september 11 attacks on the world trade center. it is a gallery to tell the story about the first moments of the attack using objects and photographs from the world trade center site. we put this in a place where the public can touch it. it gives a tangible experience. this is a piece of steel from the north tower. this is a dramatically damaged piece of steel. you can see the opening scene where the windows would have been. this metal strip on the front of the building. every piece marks which side of the building it is on, so we research that.